./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f97202-b44f-4f51-9ef4-e59c7c0921f9/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f97202-b44f-4f51-9ef4-e59c7c0921f9/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f97202-b44f-4f51-9ef4-e59c7c0921f9/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f97202-b44f-4f51-9ef4-e59c7c0921f9/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f97202-b44f-4f51-9ef4-e59c7c0921f9/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f97202-b44f-4f51-9ef4-e59c7c0921f9/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 98678a21a2b37b871d00192aacebe14c4ee9cc87b75400dd7a4adc0ccfa93151 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:32:49,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:32:49,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:32:49,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:32:49,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:32:49,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:32:49,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:32:49,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:32:49,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:32:49,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:32:49,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:32:49,317 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:32:49,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:32:49,319 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:32:49,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:32:49,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:32:49,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:32:49,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:32:49,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:32:49,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:32:49,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:32:49,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:32:49,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:32:49,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:32:49,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:32:49,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:32:49,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:32:49,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:32:49,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:32:49,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:32:49,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:32:49,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:32:49,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:32:49,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:32:49,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:32:49,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:32:49,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:32:49,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:32:49,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:32:49,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:32:49,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:32:49,367 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f97202-b44f-4f51-9ef4-e59c7c0921f9/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:32:49,388 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:32:49,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:32:49,389 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:32:49,390 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:32:49,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:32:49,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:32:49,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:32:49,391 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:32:49,391 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:32:49,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:32:49,392 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:32:49,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:32:49,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:32:49,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:32:49,393 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:32:49,393 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:32:49,393 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:32:49,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:32:49,393 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:32:49,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:32:49,394 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:32:49,394 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:32:49,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:32:49,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:32:49,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:32:49,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:32:49,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:32:49,395 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:32:49,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:32:49,396 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:32:49,396 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f97202-b44f-4f51-9ef4-e59c7c0921f9/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f97202-b44f-4f51-9ef4-e59c7c0921f9/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98678a21a2b37b871d00192aacebe14c4ee9cc87b75400dd7a4adc0ccfa93151 [2022-11-20 17:32:49,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:32:49,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:32:49,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:32:49,681 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:32:49,682 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:32:49,683 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f97202-b44f-4f51-9ef4-e59c7c0921f9/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18.i [2022-11-20 17:32:52,869 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:32:53,143 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:32:53,144 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f97202-b44f-4f51-9ef4-e59c7c0921f9/sv-benchmarks/c/ldv-memsafety/memleaks_test18.i [2022-11-20 17:32:53,155 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f97202-b44f-4f51-9ef4-e59c7c0921f9/bin/ukojak-pZX7IvK2PQ/data/cbe5dac5e/8a912c45f7b3485d8d67cbac2b74eaee/FLAGa75c28e09 [2022-11-20 17:32:53,170 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f97202-b44f-4f51-9ef4-e59c7c0921f9/bin/ukojak-pZX7IvK2PQ/data/cbe5dac5e/8a912c45f7b3485d8d67cbac2b74eaee [2022-11-20 17:32:53,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:32:53,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:32:53,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:32:53,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:32:53,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:32:53,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:32:53" (1/1) ... [2022-11-20 17:32:53,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79d76ebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:53, skipping insertion in model container [2022-11-20 17:32:53,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:32:53" (1/1) ... [2022-11-20 17:32:53,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:32:53,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:32:53,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:32:53,767 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:32:53,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:32:53,897 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:32:53,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:53 WrapperNode [2022-11-20 17:32:53,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:32:53,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:32:53,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:32:53,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:32:53,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:53" (1/1) ... [2022-11-20 17:32:53,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:53" (1/1) ... [2022-11-20 17:32:53,976 INFO L138 Inliner]: procedures = 164, calls = 73, calls flagged for inlining = 21, calls inlined = 3, statements flattened = 51 [2022-11-20 17:32:53,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:32:53,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:32:53,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:32:53,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:32:53,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:53" (1/1) ... [2022-11-20 17:32:53,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:53" (1/1) ... [2022-11-20 17:32:53,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:53" (1/1) ... [2022-11-20 17:32:53,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:53" (1/1) ... [2022-11-20 17:32:53,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:53" (1/1) ... [2022-11-20 17:32:54,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:53" (1/1) ... [2022-11-20 17:32:54,005 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:53" (1/1) ... [2022-11-20 17:32:54,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:53" (1/1) ... [2022-11-20 17:32:54,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:32:54,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:32:54,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:32:54,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:32:54,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:53" (1/1) ... [2022-11-20 17:32:54,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:32:54,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f97202-b44f-4f51-9ef4-e59c7c0921f9/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:32:54,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f97202-b44f-4f51-9ef4-e59c7c0921f9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:32:54,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f97202-b44f-4f51-9ef4-e59c7c0921f9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:32:54,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 17:32:54,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 17:32:54,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 17:32:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:32:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 17:32:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 17:32:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:32:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 17:32:54,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:32:54,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:32:54,289 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:32:54,291 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:32:54,543 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:32:54,592 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:32:54,602 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:32:54,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:32:54 BoogieIcfgContainer [2022-11-20 17:32:54,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:32:54,608 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:32:54,608 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:32:54,619 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:32:54,620 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:32:54" (1/1) ... [2022-11-20 17:32:54,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:32:54,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:54,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2022-11-20 17:32:54,697 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-11-20 17:32:54,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:32:54,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:54,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:54,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:32:55,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:55,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 31 transitions. [2022-11-20 17:32:55,018 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-11-20 17:32:55,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:32:55,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:55,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:55,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:32:55,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:55,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 38 transitions. [2022-11-20 17:32:55,237 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2022-11-20 17:32:55,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:32:55,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:55,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:55,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:32:55,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:55,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 40 transitions. [2022-11-20 17:32:55,377 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2022-11-20 17:32:55,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:32:55,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:55,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:55,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:32:55,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:55,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 41 transitions. [2022-11-20 17:32:55,540 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2022-11-20 17:32:55,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:32:55,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:55,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:55,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:32:55,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:55,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 42 transitions. [2022-11-20 17:32:55,662 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2022-11-20 17:32:55,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:32:55,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:55,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:55,767 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:32:55,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:55,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 47 transitions. [2022-11-20 17:32:55,875 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2022-11-20 17:32:55,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:32:55,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:55,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:55,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:32:55,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:55,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 49 transitions. [2022-11-20 17:32:55,980 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2022-11-20 17:32:55,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:32:55,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:55,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:56,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:32:56,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:56,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 39 states and 53 transitions. [2022-11-20 17:32:56,336 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2022-11-20 17:32:56,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:32:56,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:56,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:56,477 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:32:56,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:56,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 61 transitions. [2022-11-20 17:32:56,807 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2022-11-20 17:32:56,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:32:56,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:56,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:56,917 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:32:57,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:57,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 49 states and 66 transitions. [2022-11-20 17:32:57,028 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2022-11-20 17:32:57,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:32:57,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:57,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:57,122 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:32:57,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:57,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 38 states and 46 transitions. [2022-11-20 17:32:57,333 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2022-11-20 17:32:57,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:32:57,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:57,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:57,433 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-20 17:32:57,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:57,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 39 states and 48 transitions. [2022-11-20 17:32:57,613 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2022-11-20 17:32:57,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:32:57,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:57,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:57,757 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:32:57,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:57,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 42 states and 52 transitions. [2022-11-20 17:32:57,905 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2022-11-20 17:32:57,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:32:57,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:57,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:57,978 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 17:32:58,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:58,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 41 states and 51 transitions. [2022-11-20 17:32:58,099 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2022-11-20 17:32:58,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:32:58,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:58,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:58,312 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:32:58,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:58,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 43 states and 54 transitions. [2022-11-20 17:32:58,914 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2022-11-20 17:32:58,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:32:58,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:58,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:59,086 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:32:59,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:59,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 44 states and 54 transitions. [2022-11-20 17:32:59,108 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2022-11-20 17:32:59,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:32:59,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:59,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:59,293 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 17:32:59,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:59,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 50 states and 64 transitions. [2022-11-20 17:32:59,960 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2022-11-20 17:32:59,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 17:32:59,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:59,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:00,191 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 17:33:00,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:00,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 54 states and 70 transitions. [2022-11-20 17:33:00,598 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2022-11-20 17:33:00,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 17:33:00,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:00,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:00,998 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-20 17:33:03,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:03,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 60 states and 80 transitions. [2022-11-20 17:33:03,440 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2022-11-20 17:33:03,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 17:33:03,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:03,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:03,580 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 17:33:03,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:03,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 61 states and 80 transitions. [2022-11-20 17:33:03,610 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2022-11-20 17:33:03,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 17:33:03,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:03,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:03,934 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-20 17:33:04,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:04,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 67 states and 90 transitions. [2022-11-20 17:33:04,835 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2022-11-20 17:33:04,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 17:33:04,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:04,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:04,972 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-20 17:33:05,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:05,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 69 states and 92 transitions. [2022-11-20 17:33:05,587 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2022-11-20 17:33:05,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-20 17:33:05,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:05,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:05,918 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 17:33:07,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:07,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 75 states and 101 transitions. [2022-11-20 17:33:07,165 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2022-11-20 17:33:07,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 17:33:07,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:07,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:07,533 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-20 17:33:08,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:08,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 80 states and 106 transitions. [2022-11-20 17:33:08,549 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 106 transitions. [2022-11-20 17:33:08,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 17:33:08,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:08,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:08,883 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-20 17:33:09,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:09,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 86 states and 116 transitions. [2022-11-20 17:33:09,959 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 116 transitions. [2022-11-20 17:33:09,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 17:33:09,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:09,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:10,125 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-20 17:33:10,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:10,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 88 states and 118 transitions. [2022-11-20 17:33:10,921 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 118 transitions. [2022-11-20 17:33:10,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-20 17:33:10,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:10,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:11,354 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-20 17:33:12,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:12,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 94 states and 126 transitions. [2022-11-20 17:33:12,812 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 126 transitions. [2022-11-20 17:33:12,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 17:33:12,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:12,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:13,247 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 2 proven. 52 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-20 17:33:14,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:14,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 99 states and 131 transitions. [2022-11-20 17:33:14,555 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 131 transitions. [2022-11-20 17:33:14,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-20 17:33:14,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:14,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:15,008 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-20 17:33:16,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:16,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 105 states and 141 transitions. [2022-11-20 17:33:16,314 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 141 transitions. [2022-11-20 17:33:16,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-20 17:33:16,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:16,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:16,564 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-20 17:33:17,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:17,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 107 states and 143 transitions. [2022-11-20 17:33:17,526 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 143 transitions. [2022-11-20 17:33:17,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-20 17:33:17,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:17,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:18,029 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-20 17:33:19,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:19,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 113 states and 151 transitions. [2022-11-20 17:33:19,704 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 151 transitions. [2022-11-20 17:33:19,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-20 17:33:19,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:19,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:20,240 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 2 proven. 80 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-20 17:33:21,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:21,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 118 states and 156 transitions. [2022-11-20 17:33:21,700 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2022-11-20 17:33:21,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-20 17:33:21,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:21,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:22,281 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-20 17:33:23,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:23,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 124 states and 166 transitions. [2022-11-20 17:33:23,951 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 166 transitions. [2022-11-20 17:33:23,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-20 17:33:23,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:23,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:24,241 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-20 17:33:25,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:25,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 126 states and 168 transitions. [2022-11-20 17:33:25,340 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 168 transitions. [2022-11-20 17:33:25,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-20 17:33:25,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:25,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:25,933 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-20 17:33:27,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:27,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 132 states and 176 transitions. [2022-11-20 17:33:27,869 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 176 transitions. [2022-11-20 17:33:27,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-20 17:33:27,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:27,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:28,570 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 2 proven. 114 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-20 17:33:30,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:30,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 137 states and 181 transitions. [2022-11-20 17:33:30,430 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 181 transitions. [2022-11-20 17:33:30,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-20 17:33:30,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:30,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:31,080 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-20 17:33:32,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:32,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 143 states and 191 transitions. [2022-11-20 17:33:32,934 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 191 transitions. [2022-11-20 17:33:32,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-20 17:33:32,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:32,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:33,235 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-20 17:33:34,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:34,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 145 states and 193 transitions. [2022-11-20 17:33:34,423 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 193 transitions. [2022-11-20 17:33:34,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-20 17:33:34,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:34,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:35,143 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-20 17:33:37,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:37,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 151 states and 201 transitions. [2022-11-20 17:33:37,344 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 201 transitions. [2022-11-20 17:33:37,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-20 17:33:37,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:37,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:38,051 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 2 proven. 154 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-20 17:33:40,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:40,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 156 states and 206 transitions. [2022-11-20 17:33:40,032 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 206 transitions. [2022-11-20 17:33:40,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-20 17:33:40,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:40,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:40,743 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-20 17:33:42,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:42,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 162 states and 216 transitions. [2022-11-20 17:33:42,793 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2022-11-20 17:33:42,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-20 17:33:42,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:42,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:43,232 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-20 17:33:44,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:44,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 164 states and 218 transitions. [2022-11-20 17:33:44,577 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 218 transitions. [2022-11-20 17:33:44,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-20 17:33:44,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:44,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:45,366 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-20 17:33:47,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:47,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 170 states and 226 transitions. [2022-11-20 17:33:47,844 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 226 transitions. [2022-11-20 17:33:47,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-20 17:33:47,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:47,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:48,626 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 2 proven. 200 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-20 17:33:50,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:50,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 175 states and 231 transitions. [2022-11-20 17:33:50,772 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 231 transitions. [2022-11-20 17:33:50,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-20 17:33:50,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:50,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:51,143 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-20 17:33:52,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:52,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 181 states and 240 transitions. [2022-11-20 17:33:52,978 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 240 transitions. [2022-11-20 17:33:52,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-20 17:33:52,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:52,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:53,342 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-20 17:33:54,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:54,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 183 states and 242 transitions. [2022-11-20 17:33:54,794 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 242 transitions. [2022-11-20 17:33:54,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-20 17:33:54,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:54,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:55,638 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-20 17:33:58,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:58,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 189 states and 249 transitions. [2022-11-20 17:33:58,257 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 249 transitions. [2022-11-20 17:33:58,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-20 17:33:58,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:58,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:59,128 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 2 proven. 252 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-20 17:34:01,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:01,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 194 states and 254 transitions. [2022-11-20 17:34:01,648 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 254 transitions. [2022-11-20 17:34:01,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-20 17:34:01,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:01,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:04,896 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 265 proven. 55 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-11-20 17:34:21,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:21,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 180 states and 232 transitions. [2022-11-20 17:34:21,728 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 232 transitions. [2022-11-20 17:34:21,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-20 17:34:21,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:21,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:24,328 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 265 proven. 55 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-11-20 17:34:25,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:25,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 167 states and 212 transitions. [2022-11-20 17:34:25,646 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 212 transitions. [2022-11-20 17:34:25,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-20 17:34:25,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:25,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:26,048 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 2 proven. 280 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-20 17:34:26,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:26,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 164 states and 207 transitions. [2022-11-20 17:34:26,099 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 207 transitions. [2022-11-20 17:34:26,100 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:34:26,100 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2022-11-20 17:34:26,113 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-11-20 17:34:26,751 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:34:26,755 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-20 17:34:26,759 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:34:26,759 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:34:26,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:34:26 ImpRootNode [2022-11-20 17:34:26,760 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:34:26,760 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:34:26,760 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:34:26,761 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:34:26,761 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:32:54" (3/4) ... [2022-11-20 17:34:26,765 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:34:26,771 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-20 17:34:26,775 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-20 17:34:26,775 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 17:34:26,776 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 17:34:26,820 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f97202-b44f-4f51-9ef4-e59c7c0921f9/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:34:26,820 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:34:26,821 INFO L158 Benchmark]: Toolchain (without parser) took 93646.49ms. Allocated memory was 146.8MB in the beginning and 799.0MB in the end (delta: 652.2MB). Free memory was 101.0MB in the beginning and 312.4MB in the end (delta: -211.4MB). Peak memory consumption was 442.4MB. Max. memory is 16.1GB. [2022-11-20 17:34:26,822 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 146.8MB. Free memory was 121.9MB in the beginning and 121.8MB in the end (delta: 184.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:34:26,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 723.02ms. Allocated memory is still 146.8MB. Free memory was 101.0MB in the beginning and 79.5MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 17:34:26,823 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.29ms. Allocated memory is still 146.8MB. Free memory was 79.0MB in the beginning and 76.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:34:26,823 INFO L158 Benchmark]: Boogie Preprocessor took 30.84ms. Allocated memory is still 146.8MB. Free memory was 76.9MB in the beginning and 75.9MB in the end (delta: 974.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:34:26,824 INFO L158 Benchmark]: RCFGBuilder took 597.37ms. Allocated memory was 146.8MB in the beginning and 220.2MB in the end (delta: 73.4MB). Free memory was 75.4MB in the beginning and 185.4MB in the end (delta: -109.9MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2022-11-20 17:34:26,824 INFO L158 Benchmark]: CodeCheck took 92152.10ms. Allocated memory was 220.2MB in the beginning and 799.0MB in the end (delta: 578.8MB). Free memory was 185.4MB in the beginning and 315.5MB in the end (delta: -130.2MB). Peak memory consumption was 449.7MB. Max. memory is 16.1GB. [2022-11-20 17:34:26,825 INFO L158 Benchmark]: Witness Printer took 60.02ms. Allocated memory is still 799.0MB. Free memory was 315.5MB in the beginning and 312.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:34:26,827 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 25 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 91.4s, OverallIterations: 52, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11945 SdHoareTripleChecker+Valid, 41.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9050 mSDsluCounter, 7100 SdHoareTripleChecker+Invalid, 34.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4633 mSDsCounter, 6525 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24837 IncrementalHoareTripleChecker+Invalid, 31362 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6525 mSolverCounterUnsat, 2467 mSDtfsCounter, 24837 mSolverCounterSat, 1.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18443 GetRequests, 17471 SyntacticMatches, 344 SemanticMatches, 628 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225590 ImplicationChecksByTransitivity, 76.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 21.4s InterpolantComputationTime, 2468 NumberOfCodeBlocks, 2468 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 2417 ConstructedInterpolants, 0 QuantifiedInterpolants, 6655 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 8 PerfectInterpolantSequences, 2646/6609 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: i <= 2147483647 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 146.8MB. Free memory was 121.9MB in the beginning and 121.8MB in the end (delta: 184.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 723.02ms. Allocated memory is still 146.8MB. Free memory was 101.0MB in the beginning and 79.5MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.29ms. Allocated memory is still 146.8MB. Free memory was 79.0MB in the beginning and 76.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.84ms. Allocated memory is still 146.8MB. Free memory was 76.9MB in the beginning and 75.9MB in the end (delta: 974.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 597.37ms. Allocated memory was 146.8MB in the beginning and 220.2MB in the end (delta: 73.4MB). Free memory was 75.4MB in the beginning and 185.4MB in the end (delta: -109.9MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * CodeCheck took 92152.10ms. Allocated memory was 220.2MB in the beginning and 799.0MB in the end (delta: 578.8MB). Free memory was 185.4MB in the beginning and 315.5MB in the end (delta: -130.2MB). Peak memory consumption was 449.7MB. Max. memory is 16.1GB. * Witness Printer took 60.02ms. Allocated memory is still 799.0MB. Free memory was 315.5MB in the beginning and 312.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:34:26,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f97202-b44f-4f51-9ef4-e59c7c0921f9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE